Step-by-step explanation:
If a boy student was picked, the probability that they passed is 0.25 * 0.4 = 0.1.
If a girl student was picked, the probability that they passed is 0.75 * 0.25 = 0.1875.
Total probability = (0.1 + 0.1875) * 100% = 28.75%.
Answer:
51
Step-by-step explanation:
93/11=8.5
6x8.5=51
It's (5,2) , I took it already so here you go
1=2x^2-7
2x^2=8
x^2=4
so x=2 or x=-2
Answer:
1 : 51 2 : 39 3 : 90
Step-by-step explanation:
1 : 180(internal angle of triangle) - 90 - 39 =51
2. alternate angles
3. internal angles of rectangle are always 90
